Jesse Wilson introduces Dagger, a dependency injection framework for Java, covering the motivation behind its creation, examples on how to use it and some of the internal details.
Jeff Kelley introduces the Grand Central Dispatch framework for writing concurrent applications for iOS.
Owen Barnes introduces SocketStream, a Node.js framework for building single-page real-time web applications that access all of their data via WebSocket.
Pete LePage lists a number of mobile development tools, frameworks and libraries, and introduces a testing and iteration process meant to ensure an application works on as many devices as possible.
Dio Synodinos explains and demoes HTML5 visualization tools and frameworks: CSS3, SVG, Canvas, WebGL, Raphaël, Processing.js, D3.js, Fabric.js, etc.
Nick Small introduces Batman.js, explaining what it is good for and why one should use it.